Re: [ATM] Electronics help needed - temperature control

["Don Clement" <clement.focuser@verizon.net>]

True! A temperature sensor in every bandgap. To measure differential
temperature of ambient and optics, one needs at least one discrete
temperature sensor or perhaps two separate ICs.



Don Clement, BSEE



> No need to equate cheap with simple nowadays in electronics.
> I routinely obtain free samples of very advanced/complex IC's by simply
> asking for them on the manufacturer's web sites.
> Some of the largest semiconductor companies , among which Analog Devices ,
> Maxim Semiconductors (which now includes Dallas Semiconductors) , Texas
> Instruments (which includes Burr Brown and others) , Agilent (former
Hewlett
> Packard ) will simply ship free samples to home addresses no questions
asked
> , and they do it promptly and reliably .
> As far as temperature circuits are concerned, the above companies have
> integrated solutions with the temp sensor, proper signal conditioning,
> calibration, differential measuring, etc , all on one chip, with a choice
of
> digital (serial , SPI, or PWM outputs) or simply analog output , linear ,
> calibrated and accurate to a level that is impossible to obtain with a
more
> discrete design without spending a lot of time and money.
>
> best regards,
> Matt Tudor , MSEE
>

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